Durable Anodized machined Aircraft Aluminum constructionWhite LED produces 100 Lumens; 950 Candela; 62m beam; runs 8 hoursIPX4 C water-resistant; 2m impact resistance testedAbout the size of a marker it fits conveniently in your pocket 5.3 inches (134 millimeter); 1.64 ounce ( 46.9 gram)Removable pocket clip